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NEPLATNÁ ASTM E1506-08 15.12.2008 náhľad

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ASTM E1506-08

Standard Test Methods for Analysis of Acid-Grade Calcium Fluoride (Fluorspar) (Withdrawn 2016)

Automaticky preložený názov:

Štandardné skúšobné metódy pre analýzu Acid-Grade fluorid vápenatý (častá)

NORMA vydaná dňa 15.12.2008

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Informácie o norme:

Označenie normy: ASTM E1506-08
Poznámka: NEPLATNÁ
Dátum vydania normy: 15.12.2008
Kód tovaru: NS-41995
Počet strán: 15
Približná hmotnosť: 45 g (0.10 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM E1506-08 :

Keywords:

arsenic, calcium carbonate, calcium fluoride, fluorspar, mixed oxides (R2O3), moisture, phosphorus, silica, soluble chloride, sulfide sulfur, volatiles, Arsenic content, Calcium fluoride (CaF2), Chemical analysis--chemicals, Fluorspar, Moisture analysis--chemicals, Phosphorus, Silica, Soluble chloride, Sulfide/sulfur environments, Trace elements--chemicals, Volatile matter content, ICS Number Code 71.060.50 (Salts)

Doplňujúce informácie

Significance and Use

Calcium fluoride is available in nature in various forms and purities. A major use for it is in the manufacture of hydrofluoric acid. The test methods listed in 1.1 provide procedures for analyzing calcium fluoride to determine whether it is suitable for this use.

1. Scope

1.1 These test methods cover the chemical analyses of acid-grade calcium fluoride (fluorspar). These test methods appear in the following sections:

	Sections
Volatiles as Moisture	6-13
Silica	14-22
Assay as Calcium Fluoride (CaF ₂)	23-32
Soluble Chloride as NaC1	33-50
Calcium Carbonate	51-59
Phosphorus	60-69
Arsenic	70-78
Mixed Oxides (R₂O₃)	79-87
Sulfide Sulfur	88-96

1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.4 Review the current Material Safety Data Sheet (MSDS) for each chemical used in this standard for detailed information concerning toxicity, first-aid procedures, handling, and safety precautions.

6.1 This test method covers the determination of volatiles as percent moisture.

14.1 This test method covers the determination of percent silica.

23.1 This test method covers the determination of assay as percent calcium fluoride (CaF₂).

51.1 This test method covers the determination of calcium carbonate in the range from 0 to 2 %.

60.1 This test method covers the determination of total phosphorus.

70.1 This test method covers the determination of total arsenic.

79.1 This test method covers the determination of percent mixed oxides (R₂O₃).

88.1 This test method covers the determination of sulfide sulfur in the range from 0.001 to 0.2 %.

2. Referenced Documents

D1193-06(2018)	Standard Specification for Reagent Water
E300-03(2022)	Standard Practice for Sampling Industrial Chemicals
E180-03	Standard Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals (Withdrawn 2009)